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LM21212-2 Datasheet Voltage-mode Synchronous Buck Regulator

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community LM21212-2 SNVS715B – MARCH 2011 – REVISED JUNE 2019 LM21212-2 2.95-V to 5.

General Description

The LM21212-2 is a monolithic synchronous buck regulator that is capable of delivering up to 12 A of continuous output current while producing an output voltage down to 0.6 V with outstanding efficiency.

The device is optimized to work over an input voltage range of 2.95 V to 5.5 V, making it suitable for a wide variety of low voltage systems.

The voltage mode control loop provides high noise immunity and narrow duty-cycle capability, and it can be compensated to be stable with any type of output capacitance, providing maximum flexibility and ease of use.

Key Features

  • 1 Integrated 7-mΩ High Side and 4.3-mΩ Low-Side FET Switches.
  • 300-kHz to 1.55-MHz Resistor-Adjustable Frequency.
  • Adjustable Output Voltage from 0.6 V to VIN (100% Duty Cycle Capable), ±1% Reference.
  • Input Voltage Range 2.95 V to 5.5 V.
  • Startup Into Prebiased Loads.
  • Output Voltage Tracking Capability.
  • Wide Bandwidth Voltage Loop Error Amplifier.
  • Adjustable Soft-Start With External Capacitor.
  • Precision Enable Pin With.

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